qualm (n.)

• agitation
• airsickness
• anxiety
• apprehension
• apprehensiveness
• bashfulness
• beef
• bitch
• boycott
• challenge
• complaint
• compunction
• concern
• conscience
• conscientiousness
• conviction
• demonstration
• demur
• demurral
• demurrer
• diffidence
• disinclination
• doubt
• exception
• expostulation
• falter
• faltering
• fastidiousness
• foreboding
• grievance
• hesitance
• hesitancy
• hesitation
• howl
• impatience
• insecurity
• kick
• march
• meticulousness
• misgiving
• mistrust
• modesty
• nausea
• nervousness
• objection
• pang
• pangs
• pause
• perturbation
• presentiment
• protest
• protestation
• punctilio
• punctiliousness
• queasiness
• rally
• recoil
• reluctance
• remonstrance
• remonstration
• scruple
• scruples
• scrupulousness
• seasickness
• shrinking
• shyness
• sit-in
• squawk
• squeamishness
• strike
• suspicion
• teach-in
• throes
• twinge
• uncertainty
• unease
• uneasiness
• unwillingness
• vomiting
• worry